ISS crew complete spacewalk upgrade

The U.S. and Russian crew of the Expedition 12 has completed an upgrade to the International Space Station's spacewalk preparation systems.

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<p><a href="http://www.physorg.com/news9885.html">ISS crew complete spacewalk upgrade</a></p> <p>The U.S. and Russian crew of the Expedition 12 has completed an upgrade to the International Space Station's spacewalk preparation systems. </p>